1.
a political, economic, and cultural center with a large population
2.
the process by which cultures interact and ideas spread from one area to another
3.
a place from which new ideas, practices, and technology spread
4.
a type of corn first domesticated by early Mesoamericans
5.
the science of obtaining metals in their natural form and preparing them for use
6.
the belief in and worship of one or more gods and goddesses
7.
a person who performs a job other than farming, such as metalworking or toolmaking
8.
more than is required or necessary; extra